Home / 232,437,719.40-320,740,315.62-143,115,479.40

Finding the Fourth Proportional to 232,437,719.40, 320,740,315.62 and 143,115,479.40

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Solution

The fourth proportional to 232,437,719.40, 320,740,315.62 and 143,115,479.40 is: 197,484,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,437,719.40 : 320,740,315.62 = 143,115,479.40 : x
  2. Step 2: Convert to fraction form
    232,437,719.40/320,740,315.62 = 143,115,479.40/x
  3. Step 3: Cross multiply
    232,437,719.40x = 320,740,315.62 × 143,115,479.40
  4. Step 4: Simplify right side
    232,437,719.40x = 45,902,904,032,863,608
  5. Step 5: Solve for x
    x = 45,902,904,032,863,608/232,437,719.40
  6. Step 6: Final answer
    x = 197,484,746.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.